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(2012 UU9)
Classification: Apollo [NEO]          SPK-ID: 3612168
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3879984052552921 0.00065181  
a 1.551987365389383 0.0014511 au
q .9498187426419402 0.00012355 au
i 2.646388071232897 0.0030833 deg
node 164.9848868577505 0.044959 deg
peri 175.8483057027446 0.044406 deg
M 98.99785929256521 2.2621 deg
tp 2459006.297864248038
(2020-Jun-05.79786425)
4.1652 TDB
period 706.2048550372712
1.93
0.99045
0.002712
d
yr
n .5097670986430706 0.00071495 deg/d
Q 2.154155988136826 0.0020141 au
  Orbit Determination Parameters
   # obs. used (total)      42  
   data-arc span      8 days  
   first obs. used      2012-10-16  
   last obs. used      2012-10-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .48357  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 06:59:25  

Additional Information
 Earth MOID = .0228583 au 
 Jupiter MOID = 3.25466 au 
 T_jup = 4.358 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 23.9   n/a MPO245983  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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